op 	 {
  name: "TopKWithUnique"
  input_arg {
    name: "input"
    type: DT_FLOAT
  }
  output_arg {
    name: "topk"
    type: DT_FLOAT
  }
  output_arg {
    name: "topk_indices"
    type: DT_INT32
  }
  attr {
    name: "k"
    type: "int"
  }
}
